Tools & Wizards About Us
dovina.en.alibaba.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dovina.en.alibaba.com

Company Overview - Shenzhen Dovina Electronic Technology Co., Ltd.

Page Load Speed

2.9 sec in total

First Response

369 ms

Resources Loaded

2.3 sec

Page Rendered

225 ms

dovina.en.alibaba.com screenshot

About Website

Welcome to dovina.en.alibaba.com homepage info - get ready to check Dovina En Alibaba best content for China right away, or after learning these important things about dovina.en.alibaba.com

Shenzhen Dovina Electronic Technology Co., Ltd. Products:Graphic Card, Fpv Drone, Drone Accessories

Visit dovina.en.alibaba.com

Key Findings

We analyzed Dovina.en.alibaba.com page load time and found that the first response time was 369 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dovina.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value3,940 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.442

21/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

Network Requests Diagram

dovina.en.alibaba.com

369 ms

dovina.en.alibaba.com

240 ms

114 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

30 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

368 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Dovina.en.alibaba.com, 28% (8 requests) were made to S.alicdn.com and 17% (5 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (786 ms) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 632.6 kB (38%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dovina.en.alibaba.com main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 304.9 kB

  • Original 384.0 kB
  • After minification 383.2 kB
  • After compression 79.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 304.9 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 34.7 kB
  • After minification 34.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Dovina En Alibaba images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 327.7 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 916.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 327.7 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (41%)

Requests Now

27

After Optimization

16

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dovina En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dovina.en.alibaba.com

dovina.en.alibaba.com

369 ms

dovina.en.alibaba.com

dovina.en.alibaba.com

240 ms

114 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

30 ms

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

O1CN01Xt4rje1w9QKVzNB6S_!!6000000006265-2-tps-3084-90.png

368 ms

index.js

index.js

43 ms

index.js

index.js

34 ms

renderHeader.js

renderHeader.js

44 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

14 ms

He0db2f42e1594140b0bab728e44a7abab.jpg

He0db2f42e1594140b0bab728e44a7abab.jpg

589 ms

H7066e81ded7f4da9aef055ce0ab3dcde7.jpg

H7066e81ded7f4da9aef055ce0ab3dcde7.jpg

214 ms

He4668e0069274ae7be4fae8240145473R.jpg

He4668e0069274ae7be4fae8240145473R.jpg

587 ms

H6d1f485899884534988858bd8c7496b8X.jpg

H6d1f485899884534988858bd8c7496b8X.jpg

740 ms

H4023d5a32f71406bbb9b0a9f68cb59f7e.jpg

H4023d5a32f71406bbb9b0a9f68cb59f7e.jpg

169 ms

H61d1714a65b5470b89621a8d2c51799dg.jpg

H61d1714a65b5470b89621a8d2c51799dg.jpg

457 ms

Hf5451ccaa94e49e58e758c65611adfcdQ.jpg

Hf5451ccaa94e49e58e758c65611adfcdQ.jpg

786 ms

Hef72d569654e41269b6281b3bb2ae701s.jpg

Hef72d569654e41269b6281b3bb2ae701s.jpg

387 ms

H09462fb1ba544abb882373c7872d47bca.jpg

H09462fb1ba544abb882373c7872d47bca.jpg

268 ms

H0468f61c0c764b6a84632fbca733c50bI.jpg

H0468f61c0c764b6a84632fbca733c50bI.jpg

488 ms

awsc.js

awsc.js

19 ms

105 ms

et_n.js

et_n.js

10 ms

um.js

um.js

8 ms

7.gif

7.gif

94 ms

wu.json

wu.json

502 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

99 ms

eg.js

eg.js

2 ms

index.js

index.js

3 ms

Accessibility Review

dovina.en.alibaba.com accessibility score

60

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dovina.en.alibaba.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dovina.en.alibaba.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dovina.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dovina.en.alibaba.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

dovina.en.alibaba.com

Open Graph data is detected on the main page of Dovina En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: